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get decoder without get type first

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This commit is contained in:
Tao Wen 2018-02-22 10:18:27 +08:00
parent df8295a48a
commit 820ec30bd6
1 changed files with 9 additions and 5 deletions
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14
reflect.go
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@ -51,12 +51,16 @@ func (b *ctx) append(prefix string) *ctx {
// ReadVal copy the underlying JSON into go interface, same as json.Unmarshal
func (iter *Iterator) ReadVal(obj interface{}) {
typ := reflect2.TypeOf(obj)
if typ.Kind() != reflect.Ptr {
iter.ReportError("ReadVal", "can only unmarshal into pointer")
return
cacheKey := reflect2.RTypeOf(obj)
decoder := iter.cfg.getDecoderFromCache(cacheKey)
if decoder == nil {
typ := reflect2.TypeOf(obj)
if typ.Kind() != reflect.Ptr {
iter.ReportError("ReadVal", "can only unmarshal into pointer")
return
}
decoder = iter.cfg.DecoderOf(typ)
}
decoder := iter.cfg.DecoderOf(typ)
ptr := reflect2.PtrOf(obj)
if ptr == nil {
iter.ReportError("ReadVal", "can not read into nil pointer")